Ransom & Dark Web Issues Week 4, December 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 4, December 2025

- Denmark points to Russia-linked actors as behind destructive attacks on water facilities and large-scale pre- and post-election DDoS campaigns
- Customer data of a Japanese automaker leaked following a breach at a U.S. software provider involved as a partner
- Data from a South Korean cryptocurrency exchange offered for sale on DarkForums